21359918 is an even 8-digits composite number following 21359917
and preceding 21359919 . In scientific notation, it is written as 2.1359918 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 10673104 positive integers (up to 21359918) that are relatively prime to 21359918.
21359918 has 8 divisors, whose sum is 32060448
The reverse of 21359918 is 81995312
Previous prime number is 4463
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million three hundred fifty-nine thousand nine hundred eighteen
Scientific notation
2.1359918 × 10^7
Engineering notation
2.1359918 × 10^6
Prime Factorization
2 × 4463 × 2393
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21359918
Product of the distinct prime numbers
The prime factorization of 21359918 is 2 × 4463 × 2393.
Since it has a total of 3 prime factors.
9 , 7 , 75 , 51 , 494 , 92 , 9104 , 7824 , 36311 , 59072 , 196414 , 533965 , 5123964 , 1781640 , 38921836 , 39294904 , 867425419 , 680419569 , 9031675327 , 3439636369
n×2
42719836
n×3
64079754
n×4
85439672
n×5
106799590
n÷2
10679959
n÷3
7119972.6666667
n÷3
5339979.5
n÷5
4271983.6
n2
456246096966724
n3
9.7453792190293E+21
n4
2.0816050099737E+29
n5
4.4462912321427E+36
2 √n
4621.6791320904
3 √n
277.45966678367
4 √n
67.982932652912
5 √n
29.236132147059
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21359917
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21359918 can be divided by 8 positive divisors.
The sum of these divisors (counting 21359918) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001011110110100101110
3
Ternary
1111012012022002
4
Quaternary
1101132310232
5
Quinary
20432004133
6
Senary
2041452302
8
Octal
121366456
10
Decimal
21359918
12
Duodecimal
71a1092
16
Hexadecimal
145ed2e
20
Vigesimal
6d9jfi
36
Base36
cptf2
md5
91a673e79e138711fefe44d8f219c4b1
sha1
4072547727cf203254d3a24482e1b02a92e9c8e4
sha256
aafc1f847cb60ae3d134459225ccb1b79ef65a9d27429968aa896dfe9d6289bc
sha512
a7545e60b9175f99a11a3bd08dcab814bfcab43aa3ccf96a8d94757fdeedc5cb0d31314c64f45d0c6c03657b662973c1e3fe4a48218d7f0f683cb929264255b7
ripemd-160
9dc1fd11a322a40b4dfaaed3ff0a476af61f3aae
Diameter
42719836
Circumference
134208322.94016
Area
1.4333393864597E+15
Volume
4.0821349014599E+22
Surface area
5.7333575458387E+15
Circumference
134208322.94016
Perimeter
85439672
Area
456246096966724
Diagonal
30207485.726777
Surface area
2737476581800344
Volume
9.7453792190293E+21
Space diagonal
36996463.221505
Perimeter
64079754
Area
1.9756035517534E+14
Altitude
18498231.610752
Surface area
1.9756035517534E+14
Volume
1.1485039551683E+21
Height
10069161.908926